Finding the Third Proportional to 131.69 and 199.34

Step by Step Solution

1. Step 1: Write the proportion equation
   131.69 : 199.34 = 199.34 : x
2. Step 2: Convert to fraction form
   131.69/199.34 = 199.34/x
3. Step 3: Cross multiply
   131.69x = 199.34 × 199.34
4. Step 4: Simplify right side
   131.69x = 39,737.93
5. Step 5: Solve for x
   x = 39,737.93/131.69
6. Step 6: Final answer
   x = 301.76